Grinders Fitness

Grinders Fitness Northglenn's #1 fitness facility offering Boxing, Kickboxing, BJJ, & MMA. Home of "Next Generation Denver” All levels are welcome to any of our classes.
(346)

Grinders Fitness will help you reach all of your fitness goals no matter how big or how small. We offer cardio boxing and kickboxing classes along with boxing, kickboxing, BJJ and MMA classes for the more competitive minded individuals.

Bag work hits different when you've got the crew watching. 💪 Those hands don't lie.
10/08/2026

Bag work hits different when you've got the crew watching. 💪 Those hands don't lie.

10/07/2026

We watch the same thing happen every week. Trial spots open, then they are gone by Friday. Grinders Fitness in Northglenn, CO still has room for new members this week. No commitment, just one class.

No pain, no growth. The grind fam showed up today and felt the difference. What about you?
10/07/2026

No pain, no growth. The grind fam showed up today and felt the difference. What about you?

If this sounds familiar, you have already found your people. Grinders Fitness offers free trial classes for anyone ready...
10/06/2026

If this sounds familiar, you have already found your people. Grinders Fitness offers free trial classes for anyone ready to join a group that notices when you are missing.

This is what community looks like 🖤
10/06/2026

This is what community looks like 🖤

Comfort will always give you a reason not to show up.The hard part isn’t finding the perfect time to train. It’s decidin...
10/05/2026

Comfort will always give you a reason not to show up.

The hard part isn’t finding the perfect time to train. It’s deciding you’re going to do it anyway.

At Grinders Fitness, we believe consistency beats convenience every time. 🥊🔥

10/05/2026

This is your sign to enter your Grinders Fitness era 🖤

Best gym they've ever had the honor of joining, in their own words. 🤍
10/04/2026

Best gym they've ever had the honor of joining, in their own words. 🤍

10/04/2026

Three months ago this felt impossible. Today it was just Tuesday. That's the part nobody talks about with consistency. It's not dramatic. It's not one big moment. It's you showing up when the motivation is gone, when nobody's watching, when it would be easier to skip. The grind fam knows the real transformation doesn't live in the highlights. It lives in the repetition 🖤

Save this recipe for later 🍽️
10/03/2026

Save this recipe for later 🍽️

Address

455 W 115th Avenue
Northglenn, CO
80234

Telephone

(720) 749-4779

Website

Alerts

Be the first to know and let us send you an email when Grinders Fitness posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Contact The School

Send a message to Grinders Fitness:

Shortcuts

Share